Much later in life Ceaser married Cornelius who's father was a political rival with Sulla the ruler at that time who forced a divorce but Ceaser simply just moved away until Sulla agreed on his living in Rome again.
Sulla later died.
Ceaser later married Pompeia after Cornelius died. Pompeia was the grandaughter of Sulla.
Ceaser went through many political positions such as Consul he worked with Pompey so he could keep on getting better ones.
Ceaser later Aligned with Craseus who was a rival with Pompey but Ceaser concinced them to be allies.